Denser - Admitting less light Denser - Comparatively thick-skulled Denser - Grasping things more slowly Denser - Harder to follow, as prose Denser - It's more than a bit of thick to have a buck around the poles like this Denser - Less astute Denser - Less clear Denser - Less likely to be in mensa Denser - Less sparse Denser - Like fruitcake, vis-à-vis angelfood cake Denser - More closely populated Denser - More compact Denser - More concentrated Denser - More heavily populated Denser - More impenetrable Denser - More jam-packed Denser - More obtuse Denser - More opaque Denser - More packed Denser - More solid Denser - More thick-skulled Denser - More thickheaded Denser - More thickly packed Denser - More tightly packed Denser - More tightly packed hole in middle of self-service Denser - More tightly packed together Denser - Not as bright Denser - Not so smart Denser - Slower mentally Denser - Slower on the uptake Denser - Slower picking up things Denser - Slower to pick up Denser - Thicker Denser - Thicker-witted Denser - Worse, as fog